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What is JSONP, and why was it created?
...cript';
script.src = 'http://www.someWebApiServer.com/some-data?callback=my_callback';
Notice the my_callback function over there? So - when JSONP server receives your request and finds callback parameter - instead of returning plain js array it'll return this:
my_callback({['some string 1', 'som...
Null vs. False vs. 0 in PHP
...ity a function can return false for non existent values (e.g. strpos, input_filter) and null for failure (e.g. input_filter). so the answer is, use ===false and/or ===null, after reading that particular function documentation.
– gcb
Apr 18 '11 at 9:33
...
Does Java 8 provide a good way to repeat a value or function?
...be inlined well.
Here's the code:
public static final int LIMIT = 500_000_000;
public static final long VALUE = 3L;
public long range() {
return
LongStream.range(0, LIMIT)
.parallel()
.map(i -> VALUE)
.map(i -> ...
Waiting until two async blocks are executed before starting another block
...y Programming Guide
Your example could look something like this:
dispatch_group_t group = dispatch_group_create();
dispatch_group_async(group,dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0), ^ {
// block1
NSLog(@"Block1");
[NSThread sleepForTimeInterval:5.0];
NSLog(@"Bl...
Defining custom attrs
...mething and this is how you end up referring to it in code, e.g., R.attr.my_attribute. The format attribute can have different values depending on the 'type' of attribute you want.
reference - if it references another resource id (e.g, "@color/my_color", "@layout/my_layout")
color
boolean
dimensi...
Check if at least two out of three booleans are true
...he following on my machine (running Ubuntu on Intel Core 2 + sun java 1.6.0_15-b03 with HotSpot Server VM (14.1-b02, mixed mode)):
First and second iterations:
a&&b || b&&c || a&&c : 1740 ms
a ? b||c : b&&c : 1690 ms
a&b | b&c | c&a : 835 ms
...
What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
...ng/decreasing numbers (inductive step) and checking with an existing case (base case), which is corresponding to - Mathematical Induction in logic.
– Earth Engine
Jul 9 '13 at 12:31
...
Biggest GWT Pitfalls? [closed]
... into your .gwt.xml file:
<set-property name="user.agent" value="gecko1_8" />
Where gecko1_8 is Firefox 2+, ie6 is IE, etc.
Problem: Hosted mode is very slow (on OS X at least) and does not come close to matching the 'live' changes you get when you edit things like JSPs or Rails pages an...
Is Using .NET 4.0 Tuples in my C# Code a Poor Design Decision?
...specific support for tuples in C#:
private var GetDesserts()
{
return _icecreams.Select(
i => new { icecream = i, topping = new Topping(i) }
);
}
public void Eat()
{
foreach (var dessert in GetDesserts())
{
dessert.icecream.AddTopping(dessert.topping);
de...
SHFileOperation函数总结（文件夹的移动、复制、删除） - C/C++ - 清泛网 -...
...I SHFileOperation(LPSHFILEOPSTRUCT lpFileOp);
参数：
typedef struct _SHFILEOPSTRUCT
{
HWND hwnd; //父窗口句柄
UINT wFunc; //要执行的动作
LPCTSTR pFrom; //源文件路径，可以是多个文件
LPCTSTR ...